Finds the built bundle an installed package ships in its dist, when that
package can be resolved from here. calypso depends on no surface: a
launcher that does (chell, with ARGUS) resolves its own, and this answers
only when such a package happens to be installed beside calypso.
Parameters
packageName: string
The package that ships the bundle (ARGUS: @fnndsc/argus).
from: string = ...
Where to resolve it from (a module URL); calypso's own when not given.
Returns string|null
The absolute bundle directory, or null when the package is not
installed or ships no built bundle.
Finds the built bundle an installed package ships in its
dist, when that package can be resolved from here. calypso depends on no surface: a launcher that does (chell, with ARGUS) resolves its own, and this answers only when such a package happens to be installed beside calypso.